Flashback is a remake of Flashback: The Quest for Identity and follows the same main plot as the original with enhancements in graphics, new dialogue, plot twists, and voice acting. In general, the gameplay may be treated as identical to the original, but it is essentially enhanced as follows:
wearing the goggles to access detective mode, where enemies and obstacles are temporarily highlighted;
arcade air bike riding mission is introduced;
aiming system is now 360 degrees;
protagonist receives the experience for his actions to increase the character's level;
level provides the points to improve one of three skills such as aiming, power, and vitality;
8 upgrades for each of 6 character's abilities are scattered on the levels;
Virtual Reality missions allow the protagonist to master his combat techniques and get an extra experience;
certain number of Morph Eyes should be eliminated on each level to gain a skill point;
hand-drawn art from the original has been redrawn as 2.5D;
achievements have been added.
It also includes the 1993 Flashback version, which can be played on the Arcade machine available from the main menu.